El Regidor (San Antonio, Tex.), Vol. 22, No. 1061, Ed. 1 Thursday, May 19, 1910, newspaper, May 19, 1910; (https://texashistory.unt.edu/ark:/67531/metapth1076799/m1/3/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .